Re: [PATCH] mm/mmap.c: silence variable 'new_start' set but not used
From: Kirill A. Shutemov
Date: Wed Jul 24 2019 - 10:34:51 EST
On Wed, Jul 24, 2019 at 02:07:39PM +0000, YueHaibing wrote:
> 'new_start' is used in is_hugepage_only_range(),
> which do nothing in some arch. gcc will warning:
Make is_hugepage_only_range() reference the variable on such archs:
#define is_hugepage_only_range(mm, addr, len) ((void) addr, 0)
--
Kirill A. Shutemov